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29static const char version[] =
30 "smc911x.c: v1.0 04-16-2005 by Dustin McIntire <dustin@sensoria.com>\n";
31
32
33#define ENABLE_SMC_DEBUG_RX 0
34#define ENABLE_SMC_DEBUG_TX 0
35#define ENABLE_SMC_DEBUG_DMA 0
36#define ENABLE_SMC_DEBUG_PKTS 0
37#define ENABLE_SMC_DEBUG_MISC 0
38#define ENABLE_SMC_DEBUG_FUNC 0
39
40#define SMC_DEBUG_RX ((ENABLE_SMC_DEBUG_RX ? 1 : 0) << 0)
41#define SMC_DEBUG_TX ((ENABLE_SMC_DEBUG_TX ? 1 : 0) << 1)
42#define SMC_DEBUG_DMA ((ENABLE_SMC_DEBUG_DMA ? 1 : 0) << 2)
43#define SMC_DEBUG_PKTS ((ENABLE_SMC_DEBUG_PKTS ? 1 : 0) << 3)
44#define SMC_DEBUG_MISC ((ENABLE_SMC_DEBUG_MISC ? 1 : 0) << 4)
45#define SMC_DEBUG_FUNC ((ENABLE_SMC_DEBUG_FUNC ? 1 : 0) << 5)
46
47#ifndef SMC_DEBUG
48#define SMC_DEBUG ( SMC_DEBUG_RX | \
49 SMC_DEBUG_TX | \
50 SMC_DEBUG_DMA | \
51 SMC_DEBUG_PKTS | \
52 SMC_DEBUG_MISC | \
53 SMC_DEBUG_FUNC \
54 )
55#endif
56
57#include <linux/module.h>
58#include <linux/kernel.h>
59#include <linux/sched.h>
60#include <linux/delay.h>
61#include <linux/interrupt.h>
62#include <linux/errno.h>
63#include <linux/ioport.h>
64#include <linux/crc32.h>
65#include <linux/device.h>
66#include <linux/platform_device.h>
67#include <linux/spinlock.h>
68#include <linux/ethtool.h>
69#include <linux/mii.h>
70#include <linux/workqueue.h>
71
72#include <linux/netdevice.h>
73#include <linux/etherdevice.h>
74#include <linux/skbuff.h>
75
76#include <linux/dmaengine.h>
77#include <linux/dma/pxa-dma.h>
78
79#include <asm/io.h>
80
81#include "smc911x.h"
82
83
84
85
86static int watchdog = 5000;
87module_param(watchdog, int, 0400);
88MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
89
90static int tx_fifo_kb=8;
91module_param(tx_fifo_kb, int, 0400);
92MODULE_PARM_DESC(tx_fifo_kb,"transmit FIFO size in KB (1<x<15)(default=8)");
93
94MODULE_LICENSE("GPL");
95MODULE_ALIAS("platform:smc911x");
96
97
98
99
100
101
102#define CARDNAME "smc911x"
103
104
105
106
107#define POWER_DOWN 1
108
109#if SMC_DEBUG > 0
110#define DBG(n, dev, args...) \
111 do { \
112 if (SMC_DEBUG & (n)) \
113 netdev_dbg(dev, args); \
114 } while (0)
115
116#define PRINTK(dev, args...) netdev_info(dev, args)
117#else
118#define DBG(n, dev, args...) do { } while (0)
119#define PRINTK(dev, args...) netdev_dbg(dev, args)
120#endif
121
122#if SMC_DEBUG_PKTS > 0
123static void PRINT_PKT(u_char *buf, int length)
124{
125 int i;
126 int remainder;
127 int lines;
128
129 lines = length / 16;
130 remainder = length % 16;
131
132 for (i = 0; i < lines ; i ++) {
133 int cur;
134 printk(KERN_DEBUG);
135 for (cur = 0; cur < 8; cur++) {
136 u_char a, b;
137 a = *buf++;
138 b = *buf++;
139 pr_cont("%02x%02x ", a, b);
140 }
141 pr_cont("\n");
142 }
143 printk(KERN_DEBUG);
144 for (i = 0; i < remainder/2 ; i++) {
145 u_char a, b;
146 a = *buf++;
147 b = *buf++;
148 pr_cont("%02x%02x ", a, b);
149 }
150 pr_cont("\n");
151}
152#else
153#define PRINT_PKT(x...) do { } while (0)
154#endif
155
156
157
158#define SMC_ENABLE_INT(lp, x) do { \
159 unsigned int __mask; \
160 __mask = SMC_GET_INT_EN((lp)); \
161 __mask |= (x); \
162 SMC_SET_INT_EN((lp), __mask); \
163} while (0)
164
165
166#define SMC_DISABLE_INT(lp, x) do { \
167 unsigned int __mask; \
168 __mask = SMC_GET_INT_EN((lp)); \
169 __mask &= ~(x); \
170 SMC_SET_INT_EN((lp), __mask); \
171} while (0)
172
173
174
175
176static void smc911x_reset(struct net_device *dev)
177{
178 struct smc911x_local *lp = netdev_priv(dev);
179 unsigned int reg, timeout=0, resets=1, irq_cfg;
180 unsigned long flags;
181
182 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
183
184
185 if ((SMC_GET_PMT_CTRL(lp) & PMT_CTRL_READY_) == 0) {
186
187 SMC_SET_BYTE_TEST(lp, 0);
188 timeout=10;
189 do {
190 udelay(10);
191 reg = SMC_GET_PMT_CTRL(lp) & PMT_CTRL_READY_;
192 } while (--timeout && !reg);
193 if (timeout == 0) {
194 PRINTK(dev, "smc911x_reset timeout waiting for PM restore\n");
195 return;
196 }
197 }
198
199
200 spin_lock_irqsave(&lp->lock, flags);
201 SMC_SET_INT_EN(lp, 0);
202 spin_unlock_irqrestore(&lp->lock, flags);
203
204 while (resets--) {
205 SMC_SET_HW_CFG(lp, HW_CFG_SRST_);
206 timeout=10;
207 do {
208 udelay(10);
209 reg = SMC_GET_HW_CFG(lp);
210
211 if (reg & HW_CFG_SRST_TO_) {
212 PRINTK(dev, "chip reset timeout, retrying...\n");
213 resets++;
214 break;
215 }
216 } while (--timeout && (reg & HW_CFG_SRST_));
217 }
218 if (timeout == 0) {
219 PRINTK(dev, "smc911x_reset timeout waiting for reset\n");
220 return;
221 }
222
223
224 timeout=1000;
225 while (--timeout && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_))
226 udelay(10);
227
228 if (timeout == 0){
229 PRINTK(dev, "smc911x_reset timeout waiting for EEPROM busy\n");
230 return;
231 }
232
233
234 SMC_SET_INT_EN(lp, 0);
235 SMC_ACK_INT(lp, -1);
236
237
238 SMC_SET_HW_CFG(lp, (lp->tx_fifo_kb & 0xF) << 16);
239
240 SMC_SET_FLOW(lp, FLOW_FCPT_ | FLOW_FCEN_);
241 SMC_SET_AFC_CFG(lp, lp->afc_cfg);
242
243
244
245 SMC_SET_GPIO_CFG(lp, 0x70070000);
246
247
248
249
250
251 irq_cfg = (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_;
252#ifdef SMC_DYNAMIC_BUS_CONFIG
253 if (lp->cfg.irq_polarity)
254 irq_cfg |= INT_CFG_IRQ_POL_;
255#endif
256 SMC_SET_IRQ_CFG(lp, irq_cfg);
257
258
259 if (lp->pending_tx_skb != NULL) {
260 dev_kfree_skb (lp->pending_tx_skb);
261 lp->pending_tx_skb = NULL;
262 dev->stats.tx_errors++;
263 dev->stats.tx_aborted_errors++;
264 }
265}
266
267
268
269
270static void smc911x_enable(struct net_device *dev)
271{
272 struct smc911x_local *lp = netdev_priv(dev);
273 unsigned mask, cfg, cr;
274 unsigned long flags;
275
276 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
277
278 spin_lock_irqsave(&lp->lock, flags);
279
280 SMC_SET_MAC_ADDR(lp, dev->dev_addr);
281
282
283 cfg = SMC_GET_HW_CFG(lp);
284 cfg &= HW_CFG_TX_FIF_SZ_ | 0xFFF;
285 cfg |= HW_CFG_SF_;
286 SMC_SET_HW_CFG(lp, cfg);
287 SMC_SET_FIFO_TDA(lp, 0xFF);
288
289 SMC_SET_FIFO_TSL(lp, 64);
290 SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000);
291
292 SMC_GET_MAC_CR(lp, cr);
293 cr |= MAC_CR_TXEN_ | MAC_CR_HBDIS_;
294 SMC_SET_MAC_CR(lp, cr);
295 SMC_SET_TX_CFG(lp, TX_CFG_TX_ON_);
296
297
298 SMC_SET_RX_CFG(lp, (2<<8) & RX_CFG_RXDOFF_);
299
300
301 if (cr & MAC_CR_RXEN_)
302 DBG(SMC_DEBUG_RX, dev, "Receiver already enabled\n");
303
304 SMC_SET_MAC_CR(lp, cr | MAC_CR_RXEN_);
305
306
307 SMC_SET_FIFO_RSA(lp, 0x01);
308 SMC_SET_FIFO_RSL(lp, 0x00);
309
310
311 mask = INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_ | INT_EN_RSFL_EN_ |
312 INT_EN_GPT_INT_EN_ | INT_EN_RXDFH_INT_EN_ | INT_EN_RXE_EN_ |
313 INT_EN_PHY_INT_EN_;
314 if (IS_REV_A(lp->revision))
315 mask|=INT_EN_RDFL_EN_;
316 else {
317 mask|=INT_EN_RDFO_EN_;
318 }
319 SMC_ENABLE_INT(lp, mask);
320
321 spin_unlock_irqrestore(&lp->lock, flags);
322}
323
324
325
326
327static void smc911x_shutdown(struct net_device *dev)
328{
329 struct smc911x_local *lp = netdev_priv(dev);
330 unsigned cr;
331 unsigned long flags;
332
333 DBG(SMC_DEBUG_FUNC, dev, "%s: --> %s\n", CARDNAME, __func__);
334
335
336 SMC_SET_INT_EN(lp, 0);
337
338
339 spin_lock_irqsave(&lp->lock, flags);
340 SMC_GET_MAC_CR(lp, cr);
341 cr &= ~(MAC_CR_TXEN_ | MAC_CR_RXEN_ | MAC_CR_HBDIS_);
342 SMC_SET_MAC_CR(lp, cr);
343 SMC_SET_TX_CFG(lp, TX_CFG_STOP_TX_);
344 spin_unlock_irqrestore(&lp->lock, flags);
345}
346
347static inline void smc911x_drop_pkt(struct net_device *dev)
348{
349 struct smc911x_local *lp = netdev_priv(dev);
350 unsigned int fifo_count, timeout, reg;
351
352 DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, dev, "%s: --> %s\n",
353 CARDNAME, __func__);
354 fifo_count = SMC_GET_RX_FIFO_INF(lp) & 0xFFFF;
355 if (fifo_count <= 4) {
356
357 while (fifo_count--)
358 SMC_GET_RX_FIFO(lp);
359 } else {
360
361 SMC_SET_RX_DP_CTRL(lp, RX_DP_CTRL_FFWD_BUSY_);
362 timeout=50;
363 do {
364 udelay(10);
365 reg = SMC_GET_RX_DP_CTRL(lp) & RX_DP_CTRL_FFWD_BUSY_;
366 } while (--timeout && reg);
367 if (timeout == 0) {
368 PRINTK(dev, "timeout waiting for RX fast forward\n");
369 }
370 }
371}
372
373
374
375
376
377
378
379static inline void smc911x_rcv(struct net_device *dev)
380{
381 struct smc911x_local *lp = netdev_priv(dev);
382 unsigned int pkt_len, status;
383 struct sk_buff *skb;
384 unsigned char *data;
385
386 DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, dev, "--> %s\n",
387 __func__);
388 status = SMC_GET_RX_STS_FIFO(lp);
389 DBG(SMC_DEBUG_RX, dev, "Rx pkt len %d status 0x%08x\n",
390 (status & 0x3fff0000) >> 16, status & 0xc000ffff);
391 pkt_len = (status & RX_STS_PKT_LEN_) >> 16;
392 if (status & RX_STS_ES_) {
393
394 dev->stats.rx_errors++;
395 if (status & RX_STS_CRC_ERR_)
396 dev->stats.rx_crc_errors++;
397 else {
398 if (status & RX_STS_LEN_ERR_)
399 dev->stats.rx_length_errors++;
400 if (status & RX_STS_MCAST_)
401 dev->stats.multicast++;
402 }
403
404 smc911x_drop_pkt(dev);
405 } else {
406
407
408 skb = netdev_alloc_skb(dev, pkt_len+32);
409 if (unlikely(skb == NULL)) {
410 PRINTK(dev, "Low memory, rcvd packet dropped.\n");
411 dev->stats.rx_dropped++;
412 smc911x_drop_pkt(dev);
413 return;
414 }
415
416
417
418
419 data = skb->data;
420 skb_reserve(skb, 2);
421 skb_put(skb,pkt_len-4);
422#ifdef SMC_USE_DMA
423 {
424 unsigned int fifo;
425
426 fifo = SMC_GET_FIFO_INT(lp);
427 if (fifo & 0xFF) fifo--;
428 DBG(SMC_DEBUG_RX, dev, "Setting RX stat FIFO threshold to %d\n",
429 fifo & 0xff);
430 SMC_SET_FIFO_INT(lp, fifo);
431
432 SMC_SET_RX_CFG(lp, RX_CFG_RX_END_ALGN16_ | ((2<<8) & RX_CFG_RXDOFF_));
433 lp->rxdma_active = 1;
434 lp->current_rx_skb = skb;
435 SMC_PULL_DATA(lp, data, (pkt_len+2+15) & ~15);
436
437 }
438#else
439 SMC_SET_RX_CFG(lp, RX_CFG_RX_END_ALGN4_ | ((2<<8) & RX_CFG_RXDOFF_));
440 SMC_PULL_DATA(lp, data, pkt_len+2+3);
441
442 DBG(SMC_DEBUG_PKTS, dev, "Received packet\n");
443 PRINT_PKT(data, ((pkt_len - 4) <= 64) ? pkt_len - 4 : 64);
444 skb->protocol = eth_type_trans(skb, dev);
445 netif_rx(skb);
446 dev->stats.rx_packets++;
447 dev->stats.rx_bytes += pkt_len-4;
448#endif
449 }
450}
451
452
453
454
455static void smc911x_hardware_send_pkt(struct net_device *dev)
456{
457 struct smc911x_local *lp = netdev_priv(dev);
458 struct sk_buff *skb;
459 unsigned int cmdA, cmdB, len;
460 unsigned char *buf;
461
462 DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, dev, "--> %s\n", __func__);
463 BUG_ON(lp->pending_tx_skb == NULL);
464
465 skb = lp->pending_tx_skb;
466 lp->pending_tx_skb = NULL;
467
468
469
470#ifdef SMC_USE_DMA
471
472 buf = (char*)((u32)(skb->data) & ~0xF);
473 len = (skb->len + 0xF + ((u32)skb->data & 0xF)) & ~0xF;
474 cmdA = (1<<24) | (((u32)skb->data & 0xF)<<16) |
475 TX_CMD_A_INT_FIRST_SEG_ | TX_CMD_A_INT_LAST_SEG_ |
476 skb->len;
477#else
478 buf = (char*)((u32)skb->data & ~0x3);
479 len = (skb->len + 3 + ((u32)skb->data & 3)) & ~0x3;
480 cmdA = (((u32)skb->data & 0x3) << 16) |
481 TX_CMD_A_INT_FIRST_SEG_ | TX_CMD_A_INT_LAST_SEG_ |
482 skb->len;
483#endif
484
485 cmdB = (skb->len << 16) | (skb->len & 0x7FF);
486
487 DBG(SMC_DEBUG_TX, dev, "TX PKT LENGTH 0x%04x (%d) BUF 0x%p CMDA 0x%08x CMDB 0x%08x\n",
488 len, len, buf, cmdA, cmdB);
489 SMC_SET_TX_FIFO(lp, cmdA);
490 SMC_SET_TX_FIFO(lp, cmdB);
491
492 DBG(SMC_DEBUG_PKTS, dev, "Transmitted packet\n");
493 PRINT_PKT(buf, len <= 64 ? len : 64);
494
495
496#ifdef SMC_USE_DMA
497 lp->current_tx_skb = skb;
498 SMC_PUSH_DATA(lp, buf, len);
499
500#else
501 SMC_PUSH_DATA(lp, buf, len);
502 netif_trans_update(dev);
503 dev_kfree_skb_irq(skb);
504#endif
505 if (!lp->tx_throttle) {
506 netif_wake_queue(dev);
507 }
508 SMC_ENABLE_INT(lp, INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_);
509}
510
511
512
513
514
515
516
517static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
518{
519 struct smc911x_local *lp = netdev_priv(dev);
520 unsigned int free;
521 unsigned long flags;
522
523 DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, dev, "--> %s\n",
524 __func__);
525
526 spin_lock_irqsave(&lp->lock, flags);
527
528 BUG_ON(lp->pending_tx_skb != NULL);
529
530 free = SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TDFREE_;
531 DBG(SMC_DEBUG_TX, dev, "TX free space %d\n", free);
532
533
534 if (free <= SMC911X_TX_FIFO_LOW_THRESHOLD) {
535 DBG(SMC_DEBUG_TX, dev, "Disabling data flow due to low FIFO space (%d)\n",
536 free);
537
538 SMC_SET_FIFO_TDA(lp, (SMC911X_TX_FIFO_LOW_THRESHOLD)/64);
539 lp->tx_throttle = 1;
540 netif_stop_queue(dev);
541 }
542
543
544
545
546
547
548
549
550 if (unlikely(free < (skb->len + 8 + 15 + 15))) {
551 netdev_warn(dev, "No Tx free space %d < %d\n",
552 free, skb->len);
553 lp->pending_tx_skb = NULL;
554 dev->stats.tx_errors++;
555 dev->stats.tx_dropped++;
556 spin_unlock_irqrestore(&lp->lock, flags);
557 dev_kfree_skb_any(skb);
558 return NETDEV_TX_OK;
559 }
560
561#ifdef SMC_USE_DMA
562 {
563
564
565
566 if (lp->txdma_active) {
567 DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev, "Tx DMA running, deferring packet\n");
568 lp->pending_tx_skb = skb;
569 netif_stop_queue(dev);
570 spin_unlock_irqrestore(&lp->lock, flags);
571 return NETDEV_TX_OK;
572 } else {
573 DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev, "Activating Tx DMA\n");
574 lp->txdma_active = 1;
575 }
576 }
577#endif
578 lp->pending_tx_skb = skb;
579 smc911x_hardware_send_pkt(dev);
580 spin_unlock_irqrestore(&lp->lock, flags);
581
582 return NETDEV_TX_OK;
583}
584
585
586
587
588
589
590static void smc911x_tx(struct net_device *dev)
591{
592 struct smc911x_local *lp = netdev_priv(dev);
593 unsigned int tx_status;
594
595 DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, dev, "--> %s\n",
596 __func__);
597
598
599 while (((SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TSUSED_) >> 16) != 0) {
600 DBG(SMC_DEBUG_TX, dev, "Tx stat FIFO used 0x%04x\n",
601 (SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TSUSED_) >> 16);
602 tx_status = SMC_GET_TX_STS_FIFO(lp);
603 dev->stats.tx_packets++;
604 dev->stats.tx_bytes+=tx_status>>16;
605 DBG(SMC_DEBUG_TX, dev, "Tx FIFO tag 0x%04x status 0x%04x\n",
606 (tx_status & 0xffff0000) >> 16,
607 tx_status & 0x0000ffff);
608
609
610 if ((tx_status & TX_STS_ES_) && !(lp->ctl_rfduplx &&
611 !(tx_status & 0x00000306))) {
612 dev->stats.tx_errors++;
613 }
614 if (tx_status & TX_STS_MANY_COLL_) {
615 dev->stats.collisions+=16;
616 dev->stats.tx_aborted_errors++;
617 } else {
618 dev->stats.collisions+=(tx_status & TX_STS_COLL_CNT_) >> 3;
619 }
620
621 if ((tx_status & (TX_STS_LOC_ | TX_STS_NO_CARR_)) &&
622 !lp->ctl_rfduplx) {
623 dev->stats.tx_carrier_errors++;
624 }
625 if (tx_status & TX_STS_LATE_COLL_) {
626 dev->stats.collisions++;
627 dev->stats.tx_aborted_errors++;
628 }
629 }
630}
631
632
633
634
635
636
637
638static int smc911x_phy_read(struct net_device *dev, int phyaddr, int phyreg)
639{
640 struct smc911x_local *lp = netdev_priv(dev);
641 unsigned int phydata;
642
643 SMC_GET_MII(lp, phyreg, phyaddr, phydata);
644
645 DBG(SMC_DEBUG_MISC, dev, "%s: phyaddr=0x%x, phyreg=0x%02x, phydata=0x%04x\n",
646 __func__, phyaddr, phyreg, phydata);
647 return phydata;
648}
649
650
651
652
653
654static void smc911x_phy_write(struct net_device *dev, int phyaddr, int phyreg,
655 int phydata)
656{
657 struct smc911x_local *lp = netdev_priv(dev);
658
659 DBG(SMC_DEBUG_MISC, dev, "%s: phyaddr=0x%x, phyreg=0x%x, phydata=0x%x\n",
660 __func__, phyaddr, phyreg, phydata);
661
662 SMC_SET_MII(lp, phyreg, phyaddr, phydata);
663}
664
665
666
667
668
669static void smc911x_phy_detect(struct net_device *dev)
670{
671 struct smc911x_local *lp = netdev_priv(dev);
672 int phyaddr;
673 unsigned int cfg, id1, id2;
674
675 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
676
677 lp->phy_type = 0;
678
679
680
681
682
683 switch(lp->version) {
684 case CHIP_9115:
685 case CHIP_9117:
686 case CHIP_9215:
687 case CHIP_9217:
688 cfg = SMC_GET_HW_CFG(lp);
689 if (cfg & HW_CFG_EXT_PHY_DET_) {
690 cfg &= ~HW_CFG_PHY_CLK_SEL_;
691 cfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_;
692 SMC_SET_HW_CFG(lp, cfg);
693 udelay(10);
694
695 cfg |= HW_CFG_EXT_PHY_EN_;
696 SMC_SET_HW_CFG(lp, cfg);
697 udelay(10);
698
699 cfg &= ~HW_CFG_PHY_CLK_SEL_;
700 cfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_;
701 SMC_SET_HW_CFG(lp, cfg);
702 udelay(10);
703
704 cfg |= HW_CFG_SMI_SEL_;
705 SMC_SET_HW_CFG(lp, cfg);
706
707 for (phyaddr = 1; phyaddr < 32; ++phyaddr) {
708
709
710 SMC_GET_PHY_ID1(lp, phyaddr & 31, id1);
711 SMC_GET_PHY_ID2(lp, phyaddr & 31, id2);
712
713
714 if (id1 != 0x0000 && id1 != 0xffff &&
715 id1 != 0x8000 && id2 != 0x0000 &&
716 id2 != 0xffff && id2 != 0x8000) {
717
718 lp->mii.phy_id = phyaddr & 31;
719 lp->phy_type = id1 << 16 | id2;
720 break;
721 }
722 }
723 if (phyaddr < 32)
724
725 break;
726 }
727 default:
728
729 SMC_GET_PHY_ID1(lp, 1, id1);
730 SMC_GET_PHY_ID2(lp, 1, id2);
731
732 lp->mii.phy_id = 1;
733 lp->phy_type = id1 << 16 | id2;
734 }
735
736 DBG(SMC_DEBUG_MISC, dev, "phy_id1=0x%x, phy_id2=0x%x phyaddr=0x%x\n",
737 id1, id2, lp->mii.phy_id);
738}
739
740
741
742
743
744static int smc911x_phy_fixed(struct net_device *dev)
745{
746 struct smc911x_local *lp = netdev_priv(dev);
747 int phyaddr = lp->mii.phy_id;
748 int bmcr;
749
750 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
751
752
753 SMC_GET_PHY_BMCR(lp, phyaddr, bmcr);
754 bmcr |= BMCR_PDOWN;
755 SMC_SET_PHY_BMCR(lp, phyaddr, bmcr);
756
757
758
759
760
761 bmcr &= ~BMCR_ANENABLE;
762 if (lp->ctl_rfduplx)
763 bmcr |= BMCR_FULLDPLX;
764
765 if (lp->ctl_rspeed == 100)
766 bmcr |= BMCR_SPEED100;
767
768
769 SMC_SET_PHY_BMCR(lp, phyaddr, bmcr);
770
771
772 bmcr &= ~BMCR_PDOWN;
773 SMC_SET_PHY_BMCR(lp, phyaddr, bmcr);
774
775 return 1;
776}
777
778
779
780
781
782
783
784
785
786
787
788
789
790static int smc911x_phy_reset(struct net_device *dev, int phy)
791{
792 struct smc911x_local *lp = netdev_priv(dev);
793 int timeout;
794 unsigned long flags;
795 unsigned int reg;
796
797 DBG(SMC_DEBUG_FUNC, dev, "--> %s()\n", __func__);
798
799 spin_lock_irqsave(&lp->lock, flags);
800 reg = SMC_GET_PMT_CTRL(lp);
801 reg &= ~0xfffff030;
802 reg |= PMT_CTRL_PHY_RST_;
803 SMC_SET_PMT_CTRL(lp, reg);
804 spin_unlock_irqrestore(&lp->lock, flags);
805 for (timeout = 2; timeout; timeout--) {
806 msleep(50);
807 spin_lock_irqsave(&lp->lock, flags);
808 reg = SMC_GET_PMT_CTRL(lp);
809 spin_unlock_irqrestore(&lp->lock, flags);
810 if (!(reg & PMT_CTRL_PHY_RST_)) {
811
812
813
814
815
816 udelay(500);
817 break;
818 }
819 }
820
821 return reg & PMT_CTRL_PHY_RST_;
822}
823
824
825
826
827
828
829
830
831static void smc911x_phy_powerdown(struct net_device *dev, int phy)
832{
833 struct smc911x_local *lp = netdev_priv(dev);
834 unsigned int bmcr;
835
836
837 SMC_GET_PHY_BMCR(lp, phy, bmcr);
838 bmcr |= BMCR_PDOWN;
839 SMC_SET_PHY_BMCR(lp, phy, bmcr);
840}
841
842
843
844
845
846
847
848
849
850static void smc911x_phy_check_media(struct net_device *dev, int init)
851{
852 struct smc911x_local *lp = netdev_priv(dev);
853 int phyaddr = lp->mii.phy_id;
854 unsigned int bmcr, cr;
855
856 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
857
858 if (mii_check_media(&lp->mii, netif_msg_link(lp), init)) {
859
860 SMC_GET_PHY_BMCR(lp, phyaddr, bmcr);
861 SMC_GET_MAC_CR(lp, cr);
862 if (lp->mii.full_duplex) {
863 DBG(SMC_DEBUG_MISC, dev, "Configuring for full-duplex mode\n");
864 bmcr |= BMCR_FULLDPLX;
865 cr |= MAC_CR_RCVOWN_;
866 } else {
867 DBG(SMC_DEBUG_MISC, dev, "Configuring for half-duplex mode\n");
868 bmcr &= ~BMCR_FULLDPLX;
869 cr &= ~MAC_CR_RCVOWN_;
870 }
871 SMC_SET_PHY_BMCR(lp, phyaddr, bmcr);
872 SMC_SET_MAC_CR(lp, cr);
873 }
874}
875
876
877
878
879
880
881
882
883
884
885static void smc911x_phy_configure(struct work_struct *work)
886{
887 struct smc911x_local *lp = container_of(work, struct smc911x_local,
888 phy_configure);
889 struct net_device *dev = lp->netdev;
890 int phyaddr = lp->mii.phy_id;
891 int my_phy_caps;
892 int my_ad_caps;
893 int status;
894 unsigned long flags;
895
896 DBG(SMC_DEBUG_FUNC, dev, "--> %s()\n", __func__);
897
898
899
900
901 if (lp->phy_type == 0)
902 return;
903
904 if (smc911x_phy_reset(dev, phyaddr)) {
905 netdev_info(dev, "PHY reset timed out\n");
906 return;
907 }
908 spin_lock_irqsave(&lp->lock, flags);
909
910
911
912
913
914 SMC_SET_PHY_INT_MASK(lp, phyaddr, PHY_INT_MASK_ENERGY_ON_ |
915 PHY_INT_MASK_ANEG_COMP_ | PHY_INT_MASK_REMOTE_FAULT_ |
916 PHY_INT_MASK_LINK_DOWN_);
917
918
919 if (lp->mii.force_media) {
920 smc911x_phy_fixed(dev);
921 goto smc911x_phy_configure_exit;
922 }
923
924
925 SMC_GET_PHY_BMSR(lp, phyaddr, my_phy_caps);
926 if (!(my_phy_caps & BMSR_ANEGCAPABLE)) {
927 netdev_info(dev, "Auto negotiation NOT supported\n");
928 smc911x_phy_fixed(dev);
929 goto smc911x_phy_configure_exit;
930 }
931
932
933 my_ad_caps = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
934
935 if (my_phy_caps & BMSR_100BASE4)
936 my_ad_caps |= ADVERTISE_100BASE4;
937 if (my_phy_caps & BMSR_100FULL)
938 my_ad_caps |= ADVERTISE_100FULL;
939 if (my_phy_caps & BMSR_100HALF)
940 my_ad_caps |= ADVERTISE_100HALF;
941 if (my_phy_caps & BMSR_10FULL)
942 my_ad_caps |= ADVERTISE_10FULL;
943 if (my_phy_caps & BMSR_10HALF)
944 my_ad_caps |= ADVERTISE_10HALF;
945
946
947 if (lp->ctl_rspeed != 100)
948 my_ad_caps &= ~(ADVERTISE_100BASE4|ADVERTISE_100FULL|ADVERTISE_100HALF);
949
950 if (!lp->ctl_rfduplx)
951 my_ad_caps &= ~(ADVERTISE_100FULL|ADVERTISE_10FULL);
952
953
954 SMC_SET_PHY_MII_ADV(lp, phyaddr, my_ad_caps);
955 lp->mii.advertising = my_ad_caps;
956
957
958
959
960
961
962 udelay(10);
963 SMC_GET_PHY_MII_ADV(lp, phyaddr, status);
964
965 DBG(SMC_DEBUG_MISC, dev, "phy caps=0x%04x\n", my_phy_caps);
966 DBG(SMC_DEBUG_MISC, dev, "phy advertised caps=0x%04x\n", my_ad_caps);
967
968
969 SMC_SET_PHY_BMCR(lp, phyaddr, BMCR_ANENABLE | BMCR_ANRESTART);
970
971 smc911x_phy_check_media(dev, 1);
972
973smc911x_phy_configure_exit:
974 spin_unlock_irqrestore(&lp->lock, flags);
975}
976
977
978
979
980
981
982
983static void smc911x_phy_interrupt(struct net_device *dev)
984{
985 struct smc911x_local *lp = netdev_priv(dev);
986 int phyaddr = lp->mii.phy_id;
987 int status;
988
989 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
990
991 if (lp->phy_type == 0)
992 return;
993
994 smc911x_phy_check_media(dev, 0);
995
996 SMC_GET_PHY_INT_SRC(lp, phyaddr,status);
997 DBG(SMC_DEBUG_MISC, dev, "PHY interrupt status 0x%04x\n",
998 status & 0xffff);
999 DBG(SMC_DEBUG_MISC, dev, "AFC_CFG 0x%08x\n",
1000 SMC_GET_AFC_CFG(lp));
1001}
1002
1003
1004
1005
1006
1007
1008
1009static irqreturn_t smc911x_interrupt(int irq, void *dev_id)
1010{
1011 struct net_device *dev = dev_id;
1012 struct smc911x_local *lp = netdev_priv(dev);
1013 unsigned int status, mask, timeout;
1014 unsigned int rx_overrun=0, cr, pkts;
1015 unsigned long flags;
1016
1017 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1018
1019 spin_lock_irqsave(&lp->lock, flags);
1020
1021
1022 if ((SMC_GET_IRQ_CFG(lp) & (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) !=
1023 (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) {
1024 spin_unlock_irqrestore(&lp->lock, flags);
1025 return IRQ_NONE;
1026 }
1027
1028 mask = SMC_GET_INT_EN(lp);
1029 SMC_SET_INT_EN(lp, 0);
1030
1031
1032 timeout = 8;
1033
1034
1035 do {
1036 status = SMC_GET_INT(lp);
1037
1038 DBG(SMC_DEBUG_MISC, dev, "INT 0x%08x MASK 0x%08x OUTSIDE MASK 0x%08x\n",
1039 status, mask, status & ~mask);
1040
1041 status &= mask;
1042 if (!status)
1043 break;
1044
1045
1046 if (status & INT_STS_SW_INT_) {
1047 SMC_ACK_INT(lp, INT_STS_SW_INT_);
1048 mask &= ~INT_EN_SW_INT_EN_;
1049 }
1050
1051 if (status & INT_STS_RXE_) {
1052 SMC_ACK_INT(lp, INT_STS_RXE_);
1053 dev->stats.rx_errors++;
1054 }
1055 if (status & INT_STS_RXDFH_INT_) {
1056 SMC_ACK_INT(lp, INT_STS_RXDFH_INT_);
1057 dev->stats.rx_dropped+=SMC_GET_RX_DROP(lp);
1058 }
1059
1060 if (status & INT_STS_RXDF_INT_) {
1061 SMC_ACK_INT(lp, INT_STS_RXDF_INT_);
1062 }
1063
1064
1065 if (status & INT_STS_RDFL_) {
1066 if (IS_REV_A(lp->revision)) {
1067 rx_overrun=1;
1068 SMC_GET_MAC_CR(lp, cr);
1069 cr &= ~MAC_CR_RXEN_;
1070 SMC_SET_MAC_CR(lp, cr);
1071 DBG(SMC_DEBUG_RX, dev, "RX overrun\n");
1072 dev->stats.rx_errors++;
1073 dev->stats.rx_fifo_errors++;
1074 }
1075 SMC_ACK_INT(lp, INT_STS_RDFL_);
1076 }
1077 if (status & INT_STS_RDFO_) {
1078 if (!IS_REV_A(lp->revision)) {
1079 SMC_GET_MAC_CR(lp, cr);
1080 cr &= ~MAC_CR_RXEN_;
1081 SMC_SET_MAC_CR(lp, cr);
1082 rx_overrun=1;
1083 DBG(SMC_DEBUG_RX, dev, "RX overrun\n");
1084 dev->stats.rx_errors++;
1085 dev->stats.rx_fifo_errors++;
1086 }
1087 SMC_ACK_INT(lp, INT_STS_RDFO_);
1088 }
1089
1090 if ((status & INT_STS_RSFL_) || rx_overrun) {
1091 unsigned int fifo;
1092 DBG(SMC_DEBUG_RX, dev, "RX irq\n");
1093 fifo = SMC_GET_RX_FIFO_INF(lp);
1094 pkts = (fifo & RX_FIFO_INF_RXSUSED_) >> 16;
1095 DBG(SMC_DEBUG_RX, dev, "Rx FIFO pkts %d, bytes %d\n",
1096 pkts, fifo & 0xFFFF);
1097 if (pkts != 0) {
1098#ifdef SMC_USE_DMA
1099 unsigned int fifo;
1100 if (lp->rxdma_active){
1101 DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, dev,
1102 "RX DMA active\n");
1103
1104 fifo = SMC_GET_FIFO_INT(lp) & ~0xFF;
1105 fifo |= pkts & 0xFF;
1106 DBG(SMC_DEBUG_RX, dev,
1107 "Setting RX stat FIFO threshold to %d\n",
1108 fifo & 0xff);
1109 SMC_SET_FIFO_INT(lp, fifo);
1110 } else
1111#endif
1112 smc911x_rcv(dev);
1113 }
1114 SMC_ACK_INT(lp, INT_STS_RSFL_);
1115 }
1116
1117 if (status & INT_STS_TDFA_) {
1118 DBG(SMC_DEBUG_TX, dev, "TX data FIFO space available irq\n");
1119 SMC_SET_FIFO_TDA(lp, 0xFF);
1120 lp->tx_throttle = 0;
1121#ifdef SMC_USE_DMA
1122 if (!lp->txdma_active)
1123#endif
1124 netif_wake_queue(dev);
1125 SMC_ACK_INT(lp, INT_STS_TDFA_);
1126 }
1127
1128#if 1
1129 if (status & (INT_STS_TSFL_ | INT_STS_GPT_INT_)) {
1130 DBG(SMC_DEBUG_TX | SMC_DEBUG_MISC, dev,
1131 "Tx stat FIFO limit (%d) /GPT irq\n",
1132 (SMC_GET_FIFO_INT(lp) & 0x00ff0000) >> 16);
1133 smc911x_tx(dev);
1134 SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000);
1135 SMC_ACK_INT(lp, INT_STS_TSFL_);
1136 SMC_ACK_INT(lp, INT_STS_TSFL_ | INT_STS_GPT_INT_);
1137 }
1138#else
1139 if (status & INT_STS_TSFL_) {
1140 DBG(SMC_DEBUG_TX, dev, "TX status FIFO limit (%d) irq\n", ?);
1141 smc911x_tx(dev);
1142 SMC_ACK_INT(lp, INT_STS_TSFL_);
1143 }
1144
1145 if (status & INT_STS_GPT_INT_) {
1146 DBG(SMC_DEBUG_RX, dev, "IRQ_CFG 0x%08x FIFO_INT 0x%08x RX_CFG 0x%08x\n",
1147 SMC_GET_IRQ_CFG(lp),
1148 SMC_GET_FIFO_INT(lp),
1149 SMC_GET_RX_CFG(lp));
1150 DBG(SMC_DEBUG_RX, dev, "Rx Stat FIFO Used 0x%02x Data FIFO Used 0x%04x Stat FIFO 0x%08x\n",
1151 (SMC_GET_RX_FIFO_INF(lp) & 0x00ff0000) >> 16,
1152 SMC_GET_RX_FIFO_INF(lp) & 0xffff,
1153 SMC_GET_RX_STS_FIFO_PEEK(lp));
1154 SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000);
1155 SMC_ACK_INT(lp, INT_STS_GPT_INT_);
1156 }
1157#endif
1158
1159
1160 if (status & INT_STS_PHY_INT_) {
1161 DBG(SMC_DEBUG_MISC, dev, "PHY irq\n");
1162 smc911x_phy_interrupt(dev);
1163 SMC_ACK_INT(lp, INT_STS_PHY_INT_);
1164 }
1165 } while (--timeout);
1166
1167
1168 SMC_SET_INT_EN(lp, mask);
1169
1170 DBG(SMC_DEBUG_MISC, dev, "Interrupt done (%d loops)\n",
1171 8-timeout);
1172
1173 spin_unlock_irqrestore(&lp->lock, flags);
1174
1175 return IRQ_HANDLED;
1176}
1177
1178#ifdef SMC_USE_DMA
1179static void
1180smc911x_tx_dma_irq(void *data)
1181{
1182 struct smc911x_local *lp = data;
1183 struct net_device *dev = lp->netdev;
1184 struct sk_buff *skb = lp->current_tx_skb;
1185 unsigned long flags;
1186
1187 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1188
1189 DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev, "TX DMA irq handler\n");
1190 BUG_ON(skb == NULL);
1191 dma_unmap_single(NULL, tx_dmabuf, tx_dmalen, DMA_TO_DEVICE);
1192 netif_trans_update(dev);
1193 dev_kfree_skb_irq(skb);
1194 lp->current_tx_skb = NULL;
1195 if (lp->pending_tx_skb != NULL)
1196 smc911x_hardware_send_pkt(dev);
1197 else {
1198 DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev,
1199 "No pending Tx packets. DMA disabled\n");
1200 spin_lock_irqsave(&lp->lock, flags);
1201 lp->txdma_active = 0;
1202 if (!lp->tx_throttle) {
1203 netif_wake_queue(dev);
1204 }
1205 spin_unlock_irqrestore(&lp->lock, flags);
1206 }
1207
1208 DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev,
1209 "TX DMA irq completed\n");
1210}
1211static void
1212smc911x_rx_dma_irq(void *data)
1213{
1214 struct smc911x_local *lp = data;
1215 struct net_device *dev = lp->netdev;
1216 struct sk_buff *skb = lp->current_rx_skb;
1217 unsigned long flags;
1218 unsigned int pkts;
1219
1220 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1221 DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, dev, "RX DMA irq handler\n");
1222 dma_unmap_single(NULL, rx_dmabuf, rx_dmalen, DMA_FROM_DEVICE);
1223 BUG_ON(skb == NULL);
1224 lp->current_rx_skb = NULL;
1225 PRINT_PKT(skb->data, skb->len);
1226 skb->protocol = eth_type_trans(skb, dev);
1227 dev->stats.rx_packets++;
1228 dev->stats.rx_bytes += skb->len;
1229 netif_rx(skb);
1230
1231 spin_lock_irqsave(&lp->lock, flags);
1232 pkts = (SMC_GET_RX_FIFO_INF(lp) & RX_FIFO_INF_RXSUSED_) >> 16;
1233 if (pkts != 0) {
1234 smc911x_rcv(dev);
1235 }else {
1236 lp->rxdma_active = 0;
1237 }
1238 spin_unlock_irqrestore(&lp->lock, flags);
1239 DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, dev,
1240 "RX DMA irq completed. DMA RX FIFO PKTS %d\n",
1241 pkts);
1242}
1243#endif
1244
1245#ifdef CONFIG_NET_POLL_CONTROLLER
1246
1247
1248
1249
1250static void smc911x_poll_controller(struct net_device *dev)
1251{
1252 disable_irq(dev->irq);
1253 smc911x_interrupt(dev->irq, dev);
1254 enable_irq(dev->irq);
1255}
1256#endif
1257
1258
1259static void smc911x_timeout(struct net_device *dev)
1260{
1261 struct smc911x_local *lp = netdev_priv(dev);
1262 int status, mask;
1263 unsigned long flags;
1264
1265 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1266
1267 spin_lock_irqsave(&lp->lock, flags);
1268 status = SMC_GET_INT(lp);
1269 mask = SMC_GET_INT_EN(lp);
1270 spin_unlock_irqrestore(&lp->lock, flags);
1271 DBG(SMC_DEBUG_MISC, dev, "INT 0x%02x MASK 0x%02x\n",
1272 status, mask);
1273
1274
1275 mask = SMC_GET_TX_CFG(lp);
1276 SMC_SET_TX_CFG(lp, mask | TX_CFG_TXS_DUMP_ | TX_CFG_TXD_DUMP_);
1277
1278
1279
1280
1281
1282 if (lp->phy_type != 0)
1283 schedule_work(&lp->phy_configure);
1284
1285
1286 netif_trans_update(dev);
1287 netif_wake_queue(dev);
1288}
1289
1290
1291
1292
1293
1294
1295
1296static void smc911x_set_multicast_list(struct net_device *dev)
1297{
1298 struct smc911x_local *lp = netdev_priv(dev);
1299 unsigned int multicast_table[2];
1300 unsigned int mcr, update_multicast = 0;
1301 unsigned long flags;
1302
1303 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1304
1305 spin_lock_irqsave(&lp->lock, flags);
1306 SMC_GET_MAC_CR(lp, mcr);
1307 spin_unlock_irqrestore(&lp->lock, flags);
1308
1309 if (dev->flags & IFF_PROMISC) {
1310
1311 DBG(SMC_DEBUG_MISC, dev, "RCR_PRMS\n");
1312 mcr |= MAC_CR_PRMS_;
1313 }
1314
1315
1316
1317
1318
1319 else if (dev->flags & IFF_ALLMULTI || netdev_mc_count(dev) > 16) {
1320 DBG(SMC_DEBUG_MISC, dev, "RCR_ALMUL\n");
1321 mcr |= MAC_CR_MCPAS_;
1322 }
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336 else if (!netdev_mc_empty(dev)) {
1337 struct netdev_hw_addr *ha;
1338
1339
1340 mcr |= MAC_CR_HPFILT_;
1341
1342
1343 memset(multicast_table, 0, sizeof(multicast_table));
1344
1345 netdev_for_each_mc_addr(ha, dev) {
1346 u32 position;
1347
1348
1349 position = ether_crc(ETH_ALEN, ha->addr)>>26;
1350
1351 multicast_table[position>>5] |= 1 << (position&0x1f);
1352 }
1353
1354
1355 mcr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_);
1356
1357
1358 update_multicast = 1;
1359 } else {
1360 DBG(SMC_DEBUG_MISC, dev, "~(MAC_CR_PRMS_|MAC_CR_MCPAS_)\n");
1361 mcr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_);
1362
1363
1364
1365
1366
1367 memset(multicast_table, 0, sizeof(multicast_table));
1368 update_multicast = 1;
1369 }
1370
1371 spin_lock_irqsave(&lp->lock, flags);
1372 SMC_SET_MAC_CR(lp, mcr);
1373 if (update_multicast) {
1374 DBG(SMC_DEBUG_MISC, dev,
1375 "update mcast hash table 0x%08x 0x%08x\n",
1376 multicast_table[0], multicast_table[1]);
1377 SMC_SET_HASHL(lp, multicast_table[0]);
1378 SMC_SET_HASHH(lp, multicast_table[1]);
1379 }
1380 spin_unlock_irqrestore(&lp->lock, flags);
1381}
1382
1383
1384
1385
1386
1387
1388
1389static int
1390smc911x_open(struct net_device *dev)
1391{
1392 struct smc911x_local *lp = netdev_priv(dev);
1393
1394 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1395
1396
1397 smc911x_reset(dev);
1398
1399
1400 smc911x_phy_configure(&lp->phy_configure);
1401
1402
1403 smc911x_enable(dev);
1404
1405 netif_start_queue(dev);
1406
1407 return 0;
1408}
1409
1410
1411
1412
1413
1414
1415
1416
1417static int smc911x_close(struct net_device *dev)
1418{
1419 struct smc911x_local *lp = netdev_priv(dev);
1420
1421 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1422
1423 netif_stop_queue(dev);
1424 netif_carrier_off(dev);
1425
1426
1427 smc911x_shutdown(dev);
1428
1429 if (lp->phy_type != 0) {
1430
1431
1432
1433 cancel_work_sync(&lp->phy_configure);
1434 smc911x_phy_powerdown(dev, lp->mii.phy_id);
1435 }
1436
1437 if (lp->pending_tx_skb) {
1438 dev_kfree_skb(lp->pending_tx_skb);
1439 lp->pending_tx_skb = NULL;
1440 }
1441
1442 return 0;
1443}
1444
1445
1446
1447
1448static int
1449smc911x_ethtool_get_link_ksettings(struct net_device *dev,
1450 struct ethtool_link_ksettings *cmd)
1451{
1452 struct smc911x_local *lp = netdev_priv(dev);
1453 int ret, status;
1454 unsigned long flags;
1455 u32 supported;
1456
1457 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1458
1459 if (lp->phy_type != 0) {
1460 spin_lock_irqsave(&lp->lock, flags);
1461 ret = mii_ethtool_get_link_ksettings(&lp->mii, cmd);
1462 spin_unlock_irqrestore(&lp->lock, flags);
1463 } else {
1464 supported = SUPPORTED_10baseT_Half |
1465 SUPPORTED_10baseT_Full |
1466 SUPPORTED_TP | SUPPORTED_AUI;
1467
1468 if (lp->ctl_rspeed == 10)
1469 cmd->base.speed = SPEED_10;
1470 else if (lp->ctl_rspeed == 100)
1471 cmd->base.speed = SPEED_100;
1472
1473 cmd->base.autoneg = AUTONEG_DISABLE;
1474 cmd->base.port = 0;
1475 SMC_GET_PHY_SPECIAL(lp, lp->mii.phy_id, status);
1476 cmd->base.duplex =
1477 (status & (PHY_SPECIAL_SPD_10FULL_ | PHY_SPECIAL_SPD_100FULL_)) ?
1478 DUPLEX_FULL : DUPLEX_HALF;
1479
1480 ethtool_convert_legacy_u32_to_link_mode(
1481 cmd->link_modes.supported, supported);
1482
1483 ret = 0;
1484 }
1485
1486 return ret;
1487}
1488
1489static int
1490smc911x_ethtool_set_link_ksettings(struct net_device *dev,
1491 const struct ethtool_link_ksettings *cmd)
1492{
1493 struct smc911x_local *lp = netdev_priv(dev);
1494 int ret;
1495 unsigned long flags;
1496
1497 if (lp->phy_type != 0) {
1498 spin_lock_irqsave(&lp->lock, flags);
1499 ret = mii_ethtool_set_link_ksettings(&lp->mii, cmd);
1500 spin_unlock_irqrestore(&lp->lock, flags);
1501 } else {
1502 if (cmd->base.autoneg != AUTONEG_DISABLE ||
1503 cmd->base.speed != SPEED_10 ||
1504 (cmd->base.duplex != DUPLEX_HALF &&
1505 cmd->base.duplex != DUPLEX_FULL) ||
1506 (cmd->base.port != PORT_TP &&
1507 cmd->base.port != PORT_AUI))
1508 return -EINVAL;
1509
1510 lp->ctl_rfduplx = cmd->base.duplex == DUPLEX_FULL;
1511
1512 ret = 0;
1513 }
1514
1515 return ret;
1516}
1517
1518static void
1519smc911x_ethtool_getdrvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
1520{
1521 strlcpy(info->driver, CARDNAME, sizeof(info->driver));
1522 strlcpy(info->version, version, sizeof(info->version));
1523 strlcpy(info->bus_info, dev_name(dev->dev.parent),
1524 sizeof(info->bus_info));
1525}
1526
1527static int smc911x_ethtool_nwayreset(struct net_device *dev)
1528{
1529 struct smc911x_local *lp = netdev_priv(dev);
1530 int ret = -EINVAL;
1531 unsigned long flags;
1532
1533 if (lp->phy_type != 0) {
1534 spin_lock_irqsave(&lp->lock, flags);
1535 ret = mii_nway_restart(&lp->mii);
1536 spin_unlock_irqrestore(&lp->lock, flags);
1537 }
1538
1539 return ret;
1540}
1541
1542static u32 smc911x_ethtool_getmsglevel(struct net_device *dev)
1543{
1544 struct smc911x_local *lp = netdev_priv(dev);
1545 return lp->msg_enable;
1546}
1547
1548static void smc911x_ethtool_setmsglevel(struct net_device *dev, u32 level)
1549{
1550 struct smc911x_local *lp = netdev_priv(dev);
1551 lp->msg_enable = level;
1552}
1553
1554static int smc911x_ethtool_getregslen(struct net_device *dev)
1555{
1556
1557 return (((E2P_CMD - ID_REV)/4 + 1) +
1558 (WUCSR - MAC_CR)+1 + 32) * sizeof(u32);
1559}
1560
1561static void smc911x_ethtool_getregs(struct net_device *dev,
1562 struct ethtool_regs* regs, void *buf)
1563{
1564 struct smc911x_local *lp = netdev_priv(dev);
1565 unsigned long flags;
1566 u32 reg,i,j=0;
1567 u32 *data = (u32*)buf;
1568
1569 regs->version = lp->version;
1570 for(i=ID_REV;i<=E2P_CMD;i+=4) {
1571 data[j++] = SMC_inl(lp, i);
1572 }
1573 for(i=MAC_CR;i<=WUCSR;i++) {
1574 spin_lock_irqsave(&lp->lock, flags);
1575 SMC_GET_MAC_CSR(lp, i, reg);
1576 spin_unlock_irqrestore(&lp->lock, flags);
1577 data[j++] = reg;
1578 }
1579 for(i=0;i<=31;i++) {
1580 spin_lock_irqsave(&lp->lock, flags);
1581 SMC_GET_MII(lp, i, lp->mii.phy_id, reg);
1582 spin_unlock_irqrestore(&lp->lock, flags);
1583 data[j++] = reg & 0xFFFF;
1584 }
1585}
1586
1587static int smc911x_ethtool_wait_eeprom_ready(struct net_device *dev)
1588{
1589 struct smc911x_local *lp = netdev_priv(dev);
1590 unsigned int timeout;
1591 int e2p_cmd;
1592
1593 e2p_cmd = SMC_GET_E2P_CMD(lp);
1594 for(timeout=10;(e2p_cmd & E2P_CMD_EPC_BUSY_) && timeout; timeout--) {
1595 if (e2p_cmd & E2P_CMD_EPC_TIMEOUT_) {
1596 PRINTK(dev, "%s timeout waiting for EEPROM to respond\n",
1597 __func__);
1598 return -EFAULT;
1599 }
1600 mdelay(1);
1601 e2p_cmd = SMC_GET_E2P_CMD(lp);
1602 }
1603 if (timeout == 0) {
1604 PRINTK(dev, "%s timeout waiting for EEPROM CMD not busy\n",
1605 __func__);
1606 return -ETIMEDOUT;
1607 }
1608 return 0;
1609}
1610
1611static inline int smc911x_ethtool_write_eeprom_cmd(struct net_device *dev,
1612 int cmd, int addr)
1613{
1614 struct smc911x_local *lp = netdev_priv(dev);
1615 int ret;
1616
1617 if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0)
1618 return ret;
1619 SMC_SET_E2P_CMD(lp, E2P_CMD_EPC_BUSY_ |
1620 ((cmd) & (0x7<<28)) |
1621 ((addr) & 0xFF));
1622 return 0;
1623}
1624
1625static inline int smc911x_ethtool_read_eeprom_byte(struct net_device *dev,
1626 u8 *data)
1627{
1628 struct smc911x_local *lp = netdev_priv(dev);
1629 int ret;
1630
1631 if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0)
1632 return ret;
1633 *data = SMC_GET_E2P_DATA(lp);
1634 return 0;
1635}
1636
1637static inline int smc911x_ethtool_write_eeprom_byte(struct net_device *dev,
1638 u8 data)
1639{
1640 struct smc911x_local *lp = netdev_priv(dev);
1641 int ret;
1642
1643 if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0)
1644 return ret;
1645 SMC_SET_E2P_DATA(lp, data);
1646 return 0;
1647}
1648
1649static int smc911x_ethtool_geteeprom(struct net_device *dev,
1650 struct ethtool_eeprom *eeprom, u8 *data)
1651{
1652 u8 eebuf[SMC911X_EEPROM_LEN];
1653 int i, ret;
1654
1655 for(i=0;i<SMC911X_EEPROM_LEN;i++) {
1656 if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_READ_, i ))!=0)
1657 return ret;
1658 if ((ret=smc911x_ethtool_read_eeprom_byte(dev, &eebuf[i]))!=0)
1659 return ret;
1660 }
1661 memcpy(data, eebuf+eeprom->offset, eeprom->len);
1662 return 0;
1663}
1664
1665static int smc911x_ethtool_seteeprom(struct net_device *dev,
1666 struct ethtool_eeprom *eeprom, u8 *data)
1667{
1668 int i, ret;
1669
1670
1671 if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_EWEN_, 0 ))!=0)
1672 return ret;
1673 for(i=eeprom->offset;i<(eeprom->offset+eeprom->len);i++) {
1674
1675 if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_ERASE_, i ))!=0)
1676 return ret;
1677
1678 if ((ret=smc911x_ethtool_write_eeprom_byte(dev, *data))!=0)
1679 return ret;
1680 if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_WRITE_, i ))!=0)
1681 return ret;
1682 }
1683 return 0;
1684}
1685
1686static int smc911x_ethtool_geteeprom_len(struct net_device *dev)
1687{
1688 return SMC911X_EEPROM_LEN;
1689}
1690
1691static const struct ethtool_ops smc911x_ethtool_ops = {
1692 .get_drvinfo = smc911x_ethtool_getdrvinfo,
1693 .get_msglevel = smc911x_ethtool_getmsglevel,
1694 .set_msglevel = smc911x_ethtool_setmsglevel,
1695 .nway_reset = smc911x_ethtool_nwayreset,
1696 .get_link = ethtool_op_get_link,
1697 .get_regs_len = smc911x_ethtool_getregslen,
1698 .get_regs = smc911x_ethtool_getregs,
1699 .get_eeprom_len = smc911x_ethtool_geteeprom_len,
1700 .get_eeprom = smc911x_ethtool_geteeprom,
1701 .set_eeprom = smc911x_ethtool_seteeprom,
1702 .get_link_ksettings = smc911x_ethtool_get_link_ksettings,
1703 .set_link_ksettings = smc911x_ethtool_set_link_ksettings,
1704};
1705
1706
1707
1708
1709
1710
1711
1712static int smc911x_findirq(struct net_device *dev)
1713{
1714 struct smc911x_local *lp = netdev_priv(dev);
1715 int timeout = 20;
1716 unsigned long cookie;
1717
1718 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1719
1720 cookie = probe_irq_on();
1721
1722
1723
1724
1725
1726 SMC_SET_INT_EN(lp, INT_EN_SW_INT_EN_);
1727
1728
1729
1730
1731 do {
1732 int int_status;
1733 udelay(10);
1734 int_status = SMC_GET_INT_EN(lp);
1735 if (int_status & INT_EN_SW_INT_EN_)
1736 break;
1737 } while (--timeout);
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747 SMC_SET_INT_EN(lp, 0);
1748
1749
1750 return probe_irq_off(cookie);
1751}
1752
1753static const struct net_device_ops smc911x_netdev_ops = {
1754 .ndo_open = smc911x_open,
1755 .ndo_stop = smc911x_close,
1756 .ndo_start_xmit = smc911x_hard_start_xmit,
1757 .ndo_tx_timeout = smc911x_timeout,
1758 .ndo_set_rx_mode = smc911x_set_multicast_list,
1759 .ndo_validate_addr = eth_validate_addr,
1760 .ndo_set_mac_address = eth_mac_addr,
1761#ifdef CONFIG_NET_POLL_CONTROLLER
1762 .ndo_poll_controller = smc911x_poll_controller,
1763#endif
1764};
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789static int smc911x_probe(struct net_device *dev)
1790{
1791 struct smc911x_local *lp = netdev_priv(dev);
1792 int i, retval;
1793 unsigned int val, chip_id, revision;
1794 const char *version_string;
1795 unsigned long irq_flags;
1796#ifdef SMC_USE_DMA
1797 struct dma_slave_config config;
1798 dma_cap_mask_t mask;
1799 struct pxad_param param;
1800#endif
1801
1802 DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
1803
1804
1805 val = SMC_GET_BYTE_TEST(lp);
1806 DBG(SMC_DEBUG_MISC, dev, "%s: endian probe returned 0x%04x\n",
1807 CARDNAME, val);
1808 if (val != 0x87654321) {
1809 netdev_err(dev, "Invalid chip endian 0x%08x\n", val);
1810 retval = -ENODEV;
1811 goto err_out;
1812 }
1813
1814
1815
1816
1817
1818
1819 chip_id = SMC_GET_PN(lp);
1820 DBG(SMC_DEBUG_MISC, dev, "%s: id probe returned 0x%04x\n",
1821 CARDNAME, chip_id);
1822 for(i=0;chip_ids[i].id != 0; i++) {
1823 if (chip_ids[i].id == chip_id) break;
1824 }
1825 if (!chip_ids[i].id) {
1826 netdev_err(dev, "Unknown chip ID %04x\n", chip_id);
1827 retval = -ENODEV;
1828 goto err_out;
1829 }
1830 version_string = chip_ids[i].name;
1831
1832 revision = SMC_GET_REV(lp);
1833 DBG(SMC_DEBUG_MISC, dev, "%s: revision = 0x%04x\n", CARDNAME, revision);
1834
1835
1836 DBG(SMC_DEBUG_MISC, dev, "%s: Found a %s\n",
1837 CARDNAME, chip_ids[i].name);
1838
1839
1840 if ((tx_fifo_kb < 2) || (tx_fifo_kb > 14)) {
1841 netdev_err(dev, "Invalid TX FIFO size requested %d\n",
1842 tx_fifo_kb);
1843 retval = -EINVAL;
1844 goto err_out;
1845 }
1846
1847
1848 lp->version = chip_ids[i].id;
1849 lp->revision = revision;
1850 lp->tx_fifo_kb = tx_fifo_kb;
1851
1852 lp->tx_fifo_size=(lp->tx_fifo_kb<<10) - 512;
1853 lp->rx_fifo_size= ((0x4000 - 512 - lp->tx_fifo_size) / 16) * 15;
1854
1855
1856 switch(lp->tx_fifo_kb) {
1857
1858
1859
1860
1861
1862 case 2:
1863 lp->afc_cfg=0x008C46AF;break;
1864 case 3:
1865 lp->afc_cfg=0x0082419F;break;
1866 case 4:
1867 lp->afc_cfg=0x00783C9F;break;
1868 case 5:
1869 lp->afc_cfg=0x006E374F;break;
1870 case 6:
1871 lp->afc_cfg=0x0064328F;break;
1872 case 7:
1873 lp->afc_cfg=0x005A2D7F;break;
1874 case 8:
1875 lp->afc_cfg=0x0050287F;break;
1876 case 9:
1877 lp->afc_cfg=0x0046236F;break;
1878 case 10:
1879 lp->afc_cfg=0x003C1E6F;break;
1880 case 11:
1881 lp->afc_cfg=0x0032195F;break;
1882
1883
1884
1885
1886
1887 case 12:
1888 lp->afc_cfg=0x0024124F;break;
1889 case 13:
1890 lp->afc_cfg=0x0015073F;break;
1891 case 14:
1892 lp->afc_cfg=0x0006032F;break;
1893 default:
1894 PRINTK(dev, "ERROR -- no AFC_CFG setting found");
1895 break;
1896 }
1897
1898 DBG(SMC_DEBUG_MISC | SMC_DEBUG_TX | SMC_DEBUG_RX, dev,
1899 "%s: tx_fifo %d rx_fifo %d afc_cfg 0x%08x\n", CARDNAME,
1900 lp->tx_fifo_size, lp->rx_fifo_size, lp->afc_cfg);
1901
1902 spin_lock_init(&lp->lock);
1903
1904
1905 SMC_GET_MAC_ADDR(lp, dev->dev_addr);
1906
1907
1908 smc911x_reset(dev);
1909
1910
1911
1912
1913
1914
1915
1916
1917 if (dev->irq < 1) {
1918 int trials;
1919
1920 trials = 3;
1921 while (trials--) {
1922 dev->irq = smc911x_findirq(dev);
1923 if (dev->irq)
1924 break;
1925
1926 smc911x_reset(dev);
1927 }
1928 }
1929 if (dev->irq == 0) {
1930 netdev_warn(dev, "Couldn't autodetect your IRQ. Use irq=xx.\n");
1931 retval = -ENODEV;
1932 goto err_out;
1933 }
1934 dev->irq = irq_canonicalize(dev->irq);
1935
1936 dev->netdev_ops = &smc911x_netdev_ops;
1937 dev->watchdog_timeo = msecs_to_jiffies(watchdog);
1938 dev->ethtool_ops = &smc911x_ethtool_ops;
1939
1940 INIT_WORK(&lp->phy_configure, smc911x_phy_configure);
1941 lp->mii.phy_id_mask = 0x1f;
1942 lp->mii.reg_num_mask = 0x1f;
1943 lp->mii.force_media = 0;
1944 lp->mii.full_duplex = 0;
1945 lp->mii.dev = dev;
1946 lp->mii.mdio_read = smc911x_phy_read;
1947 lp->mii.mdio_write = smc911x_phy_write;
1948
1949
1950
1951
1952 smc911x_phy_detect(dev);
1953
1954
1955 lp->msg_enable = NETIF_MSG_LINK;
1956 lp->ctl_rfduplx = 1;
1957 lp->ctl_rspeed = 100;
1958
1959#ifdef SMC_DYNAMIC_BUS_CONFIG
1960 irq_flags = lp->cfg.irq_flags;
1961#else
1962 irq_flags = IRQF_SHARED | SMC_IRQ_SENSE;
1963#endif
1964
1965
1966 retval = request_irq(dev->irq, smc911x_interrupt,
1967 irq_flags, dev->name, dev);
1968 if (retval)
1969 goto err_out;
1970
1971#ifdef SMC_USE_DMA
1972
1973 dma_cap_zero(mask);
1974 dma_cap_set(DMA_SLAVE, mask);
1975 param.prio = PXAD_PRIO_LOWEST;
1976 param.drcmr = -1UL;
1977
1978 lp->rxdma =
1979 dma_request_slave_channel_compat(mask, pxad_filter_fn,
1980 ¶m, &dev->dev, "rx");
1981 lp->txdma =
1982 dma_request_slave_channel_compat(mask, pxad_filter_fn,
1983 ¶m, &dev->dev, "tx");
1984 lp->rxdma_active = 0;
1985 lp->txdma_active = 0;
1986
1987 memset(&config, 0, sizeof(config));
1988 config.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
1989 config.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
1990 config.src_addr = lp->physaddr + RX_DATA_FIFO;
1991 config.dst_addr = lp->physaddr + TX_DATA_FIFO;
1992 config.src_maxburst = 32;
1993 config.dst_maxburst = 32;
1994 retval = dmaengine_slave_config(lp->rxdma, &config);
1995 if (retval) {
1996 dev_err(lp->dev, "dma rx channel configuration failed: %d\n",
1997 retval);
1998 goto err_out;
1999 }
2000 retval = dmaengine_slave_config(lp->txdma, &config);
2001 if (retval) {
2002 dev_err(lp->dev, "dma tx channel configuration failed: %d\n",
2003 retval);
2004 goto err_out;
2005 }
2006#endif
2007
2008 retval = register_netdev(dev);
2009 if (retval == 0) {
2010
2011 netdev_info(dev, "%s (rev %d) at %#lx IRQ %d",
2012 version_string, lp->revision,
2013 dev->base_addr, dev->irq);
2014
2015#ifdef SMC_USE_DMA
2016 if (lp->rxdma)
2017 pr_cont(" RXDMA %p", lp->rxdma);
2018
2019 if (lp->txdma)
2020 pr_cont(" TXDMA %p", lp->txdma);
2021#endif
2022 pr_cont("\n");
2023 if (!is_valid_ether_addr(dev->dev_addr)) {
2024 netdev_warn(dev, "Invalid ethernet MAC address. Please set using ifconfig\n");
2025 } else {
2026
2027 netdev_info(dev, "Ethernet addr: %pM\n",
2028 dev->dev_addr);
2029 }
2030
2031 if (lp->phy_type == 0) {
2032 PRINTK(dev, "No PHY found\n");
2033 } else if ((lp->phy_type & ~0xff) == LAN911X_INTERNAL_PHY_ID) {
2034 PRINTK(dev, "LAN911x Internal PHY\n");
2035 } else {
2036 PRINTK(dev, "External PHY 0x%08x\n", lp->phy_type);
2037 }
2038 }
2039
2040err_out:
2041#ifdef SMC_USE_DMA
2042 if (retval) {
2043 if (lp->rxdma)
2044 dma_release_channel(lp->rxdma);
2045 if (lp->txdma)
2046 dma_release_channel(lp->txdma);
2047 }
2048#endif
2049 return retval;
2050}
2051
2052
2053
2054
2055
2056
2057
2058
2059static int smc911x_drv_probe(struct platform_device *pdev)
2060{
2061 struct net_device *ndev;
2062 struct resource *res;
2063 struct smc911x_local *lp;
2064 void __iomem *addr;
2065 int ret;
2066
2067
2068 DBG(SMC_DEBUG_FUNC, "--> %s\n", __func__);
2069 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2070 if (!res) {
2071 ret = -ENODEV;
2072 goto out;
2073 }
2074
2075
2076
2077
2078 if (!request_mem_region(res->start, SMC911X_IO_EXTENT, CARDNAME)) {
2079 ret = -EBUSY;
2080 goto out;
2081 }
2082
2083 ndev = alloc_etherdev(sizeof(struct smc911x_local));
2084 if (!ndev) {
2085 ret = -ENOMEM;
2086 goto release_1;
2087 }
2088 SET_NETDEV_DEV(ndev, &pdev->dev);
2089
2090 ndev->dma = (unsigned char)-1;
2091 ndev->irq = platform_get_irq(pdev, 0);
2092 lp = netdev_priv(ndev);
2093 lp->netdev = ndev;
2094#ifdef SMC_DYNAMIC_BUS_CONFIG
2095 {
2096 struct smc911x_platdata *pd = dev_get_platdata(&pdev->dev);
2097 if (!pd) {
2098 ret = -EINVAL;
2099 goto release_both;
2100 }
2101 memcpy(&lp->cfg, pd, sizeof(lp->cfg));
2102 }
2103#endif
2104
2105 addr = ioremap(res->start, SMC911X_IO_EXTENT);
2106 if (!addr) {
2107 ret = -ENOMEM;
2108 goto release_both;
2109 }
2110
2111 platform_set_drvdata(pdev, ndev);
2112 lp->base = addr;
2113 ndev->base_addr = res->start;
2114 ret = smc911x_probe(ndev);
2115 if (ret != 0) {
2116 iounmap(addr);
2117release_both:
2118 free_netdev(ndev);
2119release_1:
2120 release_mem_region(res->start, SMC911X_IO_EXTENT);
2121out:
2122 pr_info("%s: not found (%d).\n", CARDNAME, ret);
2123 }
2124#ifdef SMC_USE_DMA
2125 else {
2126 lp->physaddr = res->start;
2127 lp->dev = &pdev->dev;
2128 }
2129#endif
2130
2131 return ret;
2132}
2133
2134static int smc911x_drv_remove(struct platform_device *pdev)
2135{
2136 struct net_device *ndev = platform_get_drvdata(pdev);
2137 struct smc911x_local *lp = netdev_priv(ndev);
2138 struct resource *res;
2139
2140 DBG(SMC_DEBUG_FUNC, ndev, "--> %s\n", __func__);
2141
2142 unregister_netdev(ndev);
2143
2144 free_irq(ndev->irq, ndev);
2145
2146#ifdef SMC_USE_DMA
2147 {
2148 if (lp->rxdma)
2149 dma_release_channel(lp->rxdma);
2150 if (lp->txdma)
2151 dma_release_channel(lp->txdma);
2152 }
2153#endif
2154 iounmap(lp->base);
2155 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2156 release_mem_region(res->start, SMC911X_IO_EXTENT);
2157
2158 free_netdev(ndev);
2159 return 0;
2160}
2161
2162static int smc911x_drv_suspend(struct platform_device *dev, pm_message_t state)
2163{
2164 struct net_device *ndev = platform_get_drvdata(dev);
2165 struct smc911x_local *lp = netdev_priv(ndev);
2166
2167 DBG(SMC_DEBUG_FUNC, ndev, "--> %s\n", __func__);
2168 if (ndev) {
2169 if (netif_running(ndev)) {
2170 netif_device_detach(ndev);
2171 smc911x_shutdown(ndev);
2172#if POWER_DOWN
2173
2174 SMC_SET_PMT_CTRL(lp, 2<<12);
2175#endif
2176 }
2177 }
2178 return 0;
2179}
2180
2181static int smc911x_drv_resume(struct platform_device *dev)
2182{
2183 struct net_device *ndev = platform_get_drvdata(dev);
2184
2185 DBG(SMC_DEBUG_FUNC, ndev, "--> %s\n", __func__);
2186 if (ndev) {
2187 struct smc911x_local *lp = netdev_priv(ndev);
2188
2189 if (netif_running(ndev)) {
2190 smc911x_reset(ndev);
2191 if (lp->phy_type != 0)
2192 smc911x_phy_configure(&lp->phy_configure);
2193 smc911x_enable(ndev);
2194 netif_device_attach(ndev);
2195 }
2196 }
2197 return 0;
2198}
2199
2200static struct platform_driver smc911x_driver = {
2201 .probe = smc911x_drv_probe,
2202 .remove = smc911x_drv_remove,
2203 .suspend = smc911x_drv_suspend,
2204 .resume = smc911x_drv_resume,
2205 .driver = {
2206 .name = CARDNAME,
2207 },
2208};
2209
2210module_platform_driver(smc911x_driver);
2211